e1276e
30
Siemens Building T
echnologies
Cerberus Division
09.2000
5.2
Wiring
The detector is installed with a twisted 2-wire line from base to base. Ring and stub lines
are admissible.
The DLB1191 base contains a terminal block with 6 terminals for connecting the detector
to the line and for connecting the external response indicator.
5.2.1
Special filter
For distances
≤
10m insert the corresponding short distance filter (7–10m DLF1191-AA,
5–8m DLF1191-AB).
In the event of influence from external light, insert the corresponding filter (DLF1191-AC) (not
possible, if short distance filter is inserted).
Special filter
Fig. 29 Insertion of special filter
5.2.2
Detector heater
In the event of danger of condensation the installation of the detector heater is recom-
mended (Note: Supply voltage 24V necessary).
A terminal block is supplied together with the detector heater for connecting the detector
heater and is latched in the base opposite the terminal block.
Connection adjustment unit
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Connection
detector heater
Fig. 30 Connection of the detector heater
